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 A171529 Numerator of (n-th nonprime/n). 2
 1, 2, 2, 2, 9, 5, 12, 7, 5, 8, 18, 5, 21, 11, 8, 25, 26, 3, 28, 3, 32, 3, 34, 35, 36, 19, 13, 10, 42, 22, 45, 23, 16, 49, 10, 17, 52, 27, 55, 7, 57, 29, 60, 31, 7, 32, 65, 11, 68, 69, 70, 18, 74, 25, 76, 11, 26, 40, 81, 41, 84, 85, 86, 87, 88, 15, 91, 23, 31, 47, 95, 4, 98, 99, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Numerator of (A018252(n)/n). LINKS Table of n, a(n) for n=1..75. MATHEMATICA Module[{nn=100, np}, np=DeleteCases[Range[nn], _?PrimeQ]; Numerator[#[[2]]/#[[1]]] &/@Thread[{Range[Length[np]], np}]] (* Harvey P. Dale, Aug 01 2022 *) CROSSREFS Sequence in context: A086364 A260662 A228044 * A260324 A157649 A155695 Adjacent sequences: A171526 A171527 A171528 * A171530 A171531 A171532 KEYWORD nonn,frac,easy AUTHOR Jaroslav Krizek, Dec 11 2009 EXTENSIONS Corrected and extended by Harvey P. Dale, Aug 01 2022 STATUS approved

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Last modified September 12 21:40 EDT 2024. Contains 375855 sequences. (Running on oeis4.)